/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineCodeRedemptionInterface.h
Initiate the lock code process for reserving a product redemption
void LockCode ( const [FString](API\Runtime\Core\Containers\FString) & CodeId, int32 LockTimeoutSeconds, const [FOnProductCodeLockedComplete](API\Plugins\OnlineSubsystem\Interfaces\FOnProductCodeLockedComplete) & Delegate )